<?php
class Foo {
private $callable;
public function __construct() {
$this->callable = function () { echo "hello world!"; };
}
public function yesItDoes()
{
($this->callable)();
}
}
class Bar {
private $name;
public function __construct($id) {
$this->name = function ($id) { echo "Hello ".$id; };
}
public function getName()
{
($this->name)();
}
}
(new Bar('eric'))-getName();
(new Foo)->yesItDoes();
Fatal error: Uncaught Error: Call to undefined function getName() in /in/9vRuH:29
Stack trace:
#0 {main}
thrown in /in/9vRuH on line 29
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fatal error: Uncaught Error: Call to undefined function getName() in /in/9vRuH:29
Stack trace:
#0 {main}
thrown in /in/9vRuH on line 29
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/9vRuH on line 12
Process exited with code 255.